ZEROBASEONE Sweeps Three Japan iTunes Charts on Release Day

One Album, Three Categories Cleared on the Same Day

According to a brief report filed by bnt News on May 28, ZEROBASEONE's newly released album charted at No. 1 across three categories on Japan iTunes on its release day: the Overall Albums chart, the K-POP Albums chart, and the POP Albums chart. The same report noted that the album also entered the upper ranks of the Japan Apple Music Albums chart. However, at the stage of the excerpted dispatch, the specific chart position, official album title, title track, track count, and release time were not disclosed. Photo credit was listed as Courtesy of WakeOne. No official statement from WakeOne was separately quoted at the dispatch stage.

A Domestic Music Show Win Logged in the Same Week

The same report stated that ZEROBASEONE had taken first place on a music broadcast program. The specific broadcaster and episode were not identified in the dispatch. South Korean terrestrial and cable music show rankings vary by channel, but are generally determined weekly by a weighted aggregate of five or more metrics — including digital audio sales, physical album sales, broadcast frequency, social media buzz, and pre-show audience votes (Source: each broadcaster's official chart methodology disclosure). Music show No. 1 announcements are typically distributed across six to seven broadcasts per week, spanning weekday cable slots and weekend terrestrial slots. The crux of this dispatch is that a composite-metric No. 1 — not a single-metric top position — was logged in the same week as three simultaneous Japan iTunes chart wins.

ZEROBASEONE, WakeOne, and the Boys Planet Lineage

ZEROBASEONE is a nine-member group formed as the final debut lineup of Mnet's global boy-group survival competition Boys Planet in 2023. The group is managed by WakeOne Entertainment, a CJ ENM affiliate. The fact that the same album reached No. 1 simultaneously in both the K-POP and POP categories on Japan iTunes indicates that the group's listener base extends beyond the K-POP core category, generating concurrent purchases within Japan's general POP category as well. At the dispatch stage, ZB1's first-week Japan sales figures, projected Oricon Weekly ranking, and individual member comments were not separately disclosed.

Japan iTunes and Japan Apple Music: Two Charts, Two Distinct Metrics

Japan's Apple iTunes album chart is recalculated hourly based on real-time paid download revenue (Source: Apple Official Chart Guide). For a single album to appear at No. 1 across all three categories — Overall Albums, K-POP, and POP — simultaneously, concentrated purchasing must occur within a narrow window immediately following the release time. The report confirmed that all three charts settled at No. 1 on the release day, appending in the same breath an entry into the Japan Apple Music Albums chart. Unlike iTunes, the Apple Music chart updates on a daily basis using streaming play frequency, meaning the two metrics measure distinct listening behaviors. Put differently: the iTunes No. 1 reflects concentrated purchases immediately after release, while the Apple Music chart entry reflects accumulated listening volume in the days that follow.

The Next Accounting Window

Japan's Oricon Weekly Albums chart is published every Monday, tabulating sales from the preceding Monday-through-Sunday window (Source: Oricon Official Chart Guide). Cross-referencing the May 28 dispatch date with the "release day" Japan iTunes No. 1 timing, the album's first Japanese weekly tally will be published in the next Oricon Weekly chart. South Korea's Hanteo Chart first-week sales figure — the cumulative physical album count for the seven days following release — is likewise tallied around the same weekend (Source: Hanteo Chart Official Methodology Guide). At the dispatch stage, the first-week sales figure, Oricon Weekly ranking, and official album title had not been disclosed.